Properties of the Number -387739

Three Hundred Eighty-Seven Thousand Seven Hundred Thirty-Nine

Basics

Value: -387740 → -387739 → -387738

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 11 × 101 × 349

Divisors: 1, 11, 101, 349, 1111, 3839, 35249, 387739

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1011110101010011011

Octal: -1365233

Duodecimal: -168477

Hexadecimal: -5ea9b

Square: 150341532121

Square Root: 622.6869197277232

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = ∑_k=0..n 6^k*N(n,k), with a(0)=1, where N(n,k) = C(n,k) * C(n,k+1)/n are the Narayana numbers (A001263). A78018

a(n) = N(7,n), where N(7,x) is the 7th Narayana polynomial. A90200

a(n) = (1/n) * ∑_k=0..n-1 C(n,k) * C(n,k+1) * (n-1)^k. A99169